#3B33D0#3B33D0

#3B33D0 is a mid, highly saturated blue. Relative luminance 0.079; OKLCH L 45.1% C 0.228 H 274.4°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#3B33D0
RGB	rgb(59, 51, 208)
HSL	hsl(243, 63%, 51%)
HSV	hsv(243, 75%, 82%)
CMYK	cmyk(71.6%, 75.5%, 0%, 18.4%)
CIE-LAB	lab(33.67, 52.27, -78.71)
CIE-LCH	lch(33.67, 94.49, 303.58°)
OKLab	oklab(45.08% 0.0176 -0.2277)
OKLCH	oklch(45.08% 0.228 274.4)
XYZ	xyz(14.3689, 7.8501, 60.4202)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B33D0 #C8D033

analogous

#3379D0 #3B33D0 #8933D0

triadic

#3B33D0 #D03B33 #33D03B

tetradic

#3B33D0 #D03379 #C8D033 #33D089

square

#3B33D0 #D03379 #C8D033 #33D089

split-complementary

#3B33D0 #D08933 #79D033

monochromatic

#1E1A6F #2B25A1 #3B33D0 #6B65DB #9B96E7

Accessibility & contrast

On white

8.17

#3B33D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3B33D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33D0

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33D0	#FFFFFF	#000000	##FFFFFF
##3B33D0	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D4

Deuteranopia (green-blind)

#0048CD

Tritanopia (blue-blind)

#006180

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b33d0;
/* rgb */ color: rgb(59, 51, 208);
/* oklch */ color: oklch(45.1% 0.228 274.4);

Tailwind

colors: {
  custom: {
    50: '#876de0',
    500: '#3b33d0',
    950: '#000000',
  },
}

SCSS

$custom: #3b33d0;
$custom-light: #876de0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33d0",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 208
  },
  "hsl": {
    "h": 243.057,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45078,
    "c": 0.22835,
    "h": 274.4
  },
  "luminance": 0.07852
}

Semantic roles & 50–950 ramp

primary

#3B33D0

secondary

#CFD28D

accent

#E642DD

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3B33D0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →